From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Pawel Wieczorkiewicz <wipawel@amazon.de>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"Julien Grall" <julien@xen.org>, "Wei Liu" <wl@xen.org>,
"George Dunlap" <George.Dunlap@eu.citrix.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>,
mpohlack@amazon.com,
"Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>,
"Ross Lagerwall" <ross.lagerwall@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>,
xen-devel@lists.xenproject.org
Subject: Re: [Xen-devel] [PATCH v5 00/12] livepatch: new features and fixes
Date: Tue, 19 Nov 2019 21:25:43 -0500 [thread overview]
Message-ID: <20191120022543.GA383@char.us.oracle.com> (raw)
In-Reply-To: <20191114130653.51185-1-wipawel@amazon.de>
On Thu, Nov 14, 2019 at 01:06:41PM +0000, Pawel Wieczorkiewicz wrote:
> This series introduces new features to the livepatch functionality as
> briefly discussed during Xen Developer Summit 2019: [a] and [b].
> It also provides a few fixes and some small improvements.
>
> Main changes in v4:
> - Fix various typos and minor issues
> - Simplify arch_livepatch_{apply,revert} by using
> common_livepatch_{apply,revert}
> - Improve python bindings and fix few issues
This is https://github.com/konradwilk/xen.git (your patches on top of staging):
On ARM64:
root@hikey960:/home/linaro# xl info
host : hikey960
release : 4.12.0-linaro-hikey960+
version : #3 SMP PREEMPT Mon Jul 17 13:26:13 EDT 2017
machine : aarch64
nr_cpus : 8
max_cpu_id : 7
nr_nodes : 1
cores_per_socket : 1
threads_per_core : 1
cpu_mhz : 1.920
hw_caps : 00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000
virt_caps : hvm hap
total_memory : 2262
free_memory : 713
sharing_freed_memory : 0
sharing_used_memory : 0
outstanding_claims : 0
free_cpus : 0
xen_major : 4
xen_minor : 13
xen_extra : .0-rc
xen_version : 4.13.0-rc
xen_caps : xen-3.0-aarch64 xen-3.0-armv7l
xen_scheduler : credit2
xen_pagesize : 4096
platform_params : virt_start=0x200000
xen_changeset : Thu Nov 14 13:06:52 2019 +0000 git:9f5f25f07a
xen_commandline : console=dtuart dtuart=/soc/serial@fff32000 efi=no-rs dom0_mem=1500M hmp-unsafe=true
cc_compiler : gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
cc_compile_by : linaro
cc_compile_domain : lan
cc_compile_date : Wed Nov 20 02:06:10 UTC 2019
build_id : 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc
xend_config_format : 4
root@hikey960:/home/linaro# cd xen.git
root@hikey960:/home/linaro/xen.git# readelf -n xen-sy
readelf: Error: 'xen-sy': No such file
root@hikey960:/home/linaro/xen.git# cd xen
root@hikey960:/home/linaro/xen.git/xen# readelf -n xen-syms
Displaying notes found in: .note.gnu.build-id
Owner Data size Description
GNU 0x00000014 NT_GNU_BUILD_ID (unique build ID bitstring)
Build ID: 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc
root@hikey960:/home/linaro/xen.git/xen# cd test/livepatch/
root@hikey960:/home/linaro/xen.git/xen/test/livepatch# xen-livepatch list
Nothing to list
root@hikey960:/home/linaro/xen.git/xen/test/livepatch# xen-livepatch load xen_hello_world.livepatch
Uploading xen_hello_world.livepatch... completed
Applying xen_hello_world... failed
Error 22: Invalid argument
Unloading xen_hello_world... failed
Error 22: Invalid argument
root@hikey960:/home/linaro/xen.git/xen/test/livepatch# git log
commit 9f5f25f07a64e1b447f7bd124182a1c5ef422d6f
Author: Pawel Wieczorkiewicz <wipawel@amazon.de>
Date: Thu Nov 14 13:06:52 2019 +0000
livepatch: Add metadata runtime retrieval mechanism
...
root@hikey960:/home/linaro/xen.git/xen/test/livepatch#xl dmesg -c
(XEN) Checking for initrd in /chosen
(XEN) RAM: 0000000000000000 - 000000001abfffff
(XEN) RAM: 000000001ad88000 - 0000000031ffffff
(XEN) RAM: 0000000032101000 - 000000003dffffff
(XEN) RAM: 0000000040000000 - 000000005af25fff
(XEN) RAM: 0000000089cc0000 - 00000000b8767fff
(XEN) RAM: 00000000b9ac0000 - 00000000b9ac8fff
(XEN) RAM: 00000000b9bfb000 - 00000000b9cbffff
(XEN) RAM: 00000000b9d62000 - 00000000b9e0ffff
(XEN) RAM: 00000000ba1d0000 - 00000000ba1dbfff
(XEN) RAM: 00000000ba1dc000 - 00000000bdc46fff
(XEN) RAM: 00000000bdc47000 - 00000000bdd06fff
(XEN) RAM: 00000000bdd07000 - 00000000bddd6fff
(XEN) RAM: 00000000bddd7000 - 00000000bf00ffff
(XEN) RAM: 00000000bf010000 - 00000000bf012fff
(XEN) RAM: 00000000bf013000 - 00000000bf19ffff
(XEN) RAM: 00000000bf1a0000 - 00000000bf1effff
(XEN) RAM: 00000000bf240000 - 00000000bf24efff
(XEN) RAM: 00000000bf24f000 - 00000000bfffffff
(XEN)
(XEN) MODULE[0]: 00000000b8773000 - 00000000b88be900 Xen
(XEN) MODULE[1]: 00000000b8768000 - 00000000b8773000 Device Tree
(XEN) MODULE[2]: 00000000b88c9000 - 00000000b9885a00 Kernel
(XEN) RESVD[0]: 0000000032000000 - 00000000320fffff
(XEN)
(XEN) CMDLINE[00000000b88c9000]:chosen console=tty0 console=hvc0 root=/dev/sdd10 rw efi=noruntime
(XEN)
(XEN) Command line: console=dtuart dtuart=/soc/serial@fff32000 efi=no-rs dom0_mem=1500M hmp-unsafe=true
(XEN) parameter "efi" unknown!
(XEN) Domain heap initialised
(XEN) Booting using Device Tree
(XEN) Platform: Generic System
(XEN) Looking for dtuart at "/soc/serial@fff32000", options ""
Xen 4.13.0-rc
(XEN) Xen version 4.13.0-rc (linaro@lan) (gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516) debug=y Wed Nov 20 02:06:10 UTC 2019
(XEN) Latest ChangeSet: Thu Nov 14 13:06:52 2019 +0000 git:9f5f25f07a
(XEN) build-id: 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc
(XEN) Processor: 410fd034: "ARM Limited", variant: 0x0, part 0xd03, rev 0x4
(XEN) 64-bit Execution:
(XEN) Processor Features: 0000000000002222 0000000000000000
(XEN) Exception Levels: EL3:64+32 EL2:64+32 EL1:64+32 EL0:64+32
(XEN) Extensions: FloatingPoint AdvancedSIMD
(XEN) Debug Features: 0000000010305106 0000000000000000
(XEN) Auxiliary Features: 0000000000000000 0000000000000000
(XEN) Memory Model Features: 0000000000001122 0000000000000000
(XEN) ISA Features: 0000000000011120 0000000000000000
(XEN) 32-bit Execution:
(XEN) Processor Features: 00000131:00011011
(XEN) Instruction Sets: AArch32 A32 Thumb Thumb-2 Jazelle
(XEN) Extensions: GenericTimer Security
(XEN) Debug Features: 03010066
(XEN) Auxiliary Features: 00000000
(XEN) Memory Model Features: 10201105 40000000 01260000 02102211
(XEN) ISA Features: 02101110 13112111 21232042 01112131 00011142 00011121
(XEN) Using SMC Calling Convention v1.0
(XEN) Using PSCI v1.0
(XEN) SMP: Allowing 8 CPUs
(XEN) Generic Timer IRQ: phys=30 hyp=26 virt=27 Freq: 1920 KHz
(XEN) GICv2 initialization:
(XEN) gic_dist_addr=00000000e82b1000
(XEN) gic_cpu_addr=00000000e82b2000
(XEN) gic_hyp_addr=00000000e82b4000
(XEN) gic_vcpu_addr=00000000e82b6000
(XEN) gic_maintenance_irq=25
(XEN) GICv2: 384 lines, 8 cpus, secure (IID 0200143b).
(XEN) XSM Framework v1.0.0 initialized
(XEN) Initialising XSM SILO mode
(XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2)
(XEN) Initializing Credit2 scheduler
(XEN) load_precision_shift: 18
(XEN) load_window_shift: 30
(XEN) underload_balance_tolerance: 0
(XEN) overload_balance_tolerance: -3
(XEN) runqueues arrangement: socket
(XEN) cap enforcement granularity: 10ms
(XEN) load tracking window length 1073741824 ns
(XEN) Allocated console ring of 64 KiB.
(XEN) CPU0: Guest atomics will try 9 times before pausing the domain
(XEN) Bringing up CPU1
(XEN) CPU1: Guest atomics will try 18 times before pausing the domain
(XEN) CPU 1 booted.
(XEN) Bringing up CPU2
(XEN) CPU2: Guest atomics will try 17 times before pausing the domain
(XEN) CPU 2 booted.
(XEN) Bringing up CPU3
(XEN) CPU3: Guest atomics will try 13 times before pausing the domain
(XEN) CPU 3 booted.
(XEN) Bringing up CPU4
(XEN) CPU4: Guest atomics will try 15 times before pausing the domain
(XEN) CPU 4 booted.
(XEN) Bringing up CPU5
(XEN) CPU5: Guest atomics will try 17 times before pausing the domain
(XEN) CPU 5 booted.
(XEN) Bringing up CPU6
(XEN) CPU6: Guest atomics will try 11 times before pausing the domain
(XEN) CPU 6 booted.
(XEN) Bringing up CPU7
(XEN) CPU7: Guest atomics will try 16 times before pausing the domain
(XEN) CPU 7 booted.
(XEN) Brought up 8 CPUs
(XEN) I/O virtualisation disabled
(XEN) P2M: 40-bit IPA with 40-bit PA and 8-bit VMID
(XEN) P2M: 3 levels with order-1 root, VTCR 0x80023558
(XEN) Adding cpu 0 to runqueue 0
(XEN) First cpu on runqueue, activating
(XEN) Adding cpu 1 to runqueue 0
(XEN) Adding cpu 2 to runqueue 0
(XEN) Adding cpu 3 to runqueue 0
(XEN) Adding cpu 4 to runqueue 0
(XEN) Adding cpu 5 to runqueue 0
(XEN) Adding cpu 6 to runqueue 0
(XEN) Adding cpu 7 to runqueue 0
(XEN) alternatives: Patching with alt table 00000000002dc0c8 -> 00000000002dc7dc
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Loading d0 kernel from boot module @ 00000000b88c9000
(XEN) Allocating 1:1 mappings totalling 1500MB for dom0:
(XEN) BANK[0] 0x00000008000000-0x00000018000000 (256MB)
(XEN) BANK[1] 0x00000020000000-0x00000030000000 (256MB)
(XEN) BANK[2] 0x00000040000000-0x00000058000000 (384MB)
(XEN) BANK[3] 0x00000090000000-0x000000b4000000 (576MB)
(XEN) BANK[4] 0x000000ba800000-0x000000bc000000 (24MB)
(XEN) BANK[5] 0x000000bf800000-0x000000bfc00000 (4MB)
(XEN) Grant table range: 0x000000b8773000-0x000000b87b3000
(XEN) Allocating PPI 16 for event channel interrupt
(XEN) Loading zImage from 00000000b88c9000 to 0000000008080000-000000000903ca00
(XEN) Loading d0 DTB to 0x0000000010000000-0x00000000100082b1
(XEN) Initial low memory virq threshold set at 0x4000 pages.
(XEN) Scrubbing Free RAM in background
(XEN) Std. Loglevel: All
(XEN) Guest Loglevel: All
(XEN) ***************************************************
(XEN) WARNING: HMP COMPUTING HAS BEEN ENABLED.
(XEN) It has implications on the security and stability of the system,
(XEN) unless the cpu affinity of all domains is specified.
(XEN) ***************************************************
(XEN) No support for ARM_SMCCC_ARCH_WORKAROUND_1.
(XEN) Please update your firmware.
(XEN) ***************************************************
(XEN) No support for ARM_SMCCC_ARCH_WORKAROUND_1.
(XEN) Please update your firmware.
(XEN) ***************************************************
(XEN) 3... 2... 1...
(XEN) *** Serial input to DOM0 (type 'CTRL-a' three times to switch input)
(XEN) Freed 336kB init memory.
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER4
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER8
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER12
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER16
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER20
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER24
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER28
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER32
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER36
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER40
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER44
(XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) d0v1: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) d0v2: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) d0v3: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) d0v4: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) d0v5: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) d0v6: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) d0v7: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .note.gnu.build-id at 0000000000a04000
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .text at 0000000000a02000
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .rodata at 0000000000a04028
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .altinstructions at 0000000000a04052
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .altinstr_replacement at 0000000000a04060
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .rodata.str1.8 at 0000000000a04068
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .rodata.str at 0000000000a040e8
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .bug_frames.1 at 0000000000a040fc
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.depends at 0000000000a0410c
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.xen_depends at 0000000000a04130
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .modinfo at 0000000000a04154
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.funcs at 0000000000a03000
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.hooks.load at 0000000000a03068
(XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.hooks.unload at 0000000000a03078
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04000 (.note.gnu.build-id)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa02000 (.text)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04028 (.rodata)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04052 (.altinstructions)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04060 (.altinstr_replacement)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04068 (.rodata.str1.8)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa040e8 (.rodata.str)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa040fc (.bug_frames.1)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa0410c (.livepatch.depends)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04130 (.livepatch.xen_depends)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04154 (.modinfo)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03000 (.livepatch.funcs)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03068 (.livepatch.hooks.load)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03078 (.livepatch.hooks.unload)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03090 (.bss)
(XEN) livepatch_elf.c:319: livepatch: xen_hello_world: Absolute symbol: xen_hello_world_func.c => 0
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $x => 0xa02000 (.text)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $x => 0xa04060 (.altinstr_replacement)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa04068 (.rodata.str1.8)
(XEN) livepatch_elf.c:319: livepatch: xen_hello_world: Absolute symbol: xen_hello_world.c => 0
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $x => 0xa02010 (.text)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: apply_hook => 0xa02010 (.text)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: revert_hook => 0xa0202c (.text)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: hi_func => 0xa02048 (.text)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: check_fnc => 0xa0207c (.text)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa040fc (.bug_frames.1)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa04028 (.rodata)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: __func__.4898 => 0xa04028 (.rodata)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: __func__.4902 => 0xa04030 (.rodata)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: hello_world_patch_this_fnc => 0xa04040 (.rodata)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03090 (.bss)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: cnt => 0xa03090 (.bss)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03000 (.livepatch.funcs)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03068 (.livepatch.hooks.load)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03078 (.livepatch.hooks.unload)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa04078 (.rodata.str1.8)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: .L2\x021 => 0xa040e8 (.rodata.str)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: .L3\x021 => 0xa040fa (.rodata.str)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_load_data_hi_func => 0xa03068 (.livepatch.hooks.load)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: xen_hello_world => 0xa02000 (.text)
(XEN) livepatch_elf.c:314: livepatch: xen_hello_world: Undefined symbol resolved: xen_extra_version => 0x242158
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_unload_data_check_fnc => 0xa03078 (.livepatch.hooks.unload)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_load_data_apply_hook => 0xa03070 (.livepatch.hooks.load)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_unload_data_revert_hook => 0xa03088 (.livepatch.hooks.unload)
(XEN) livepatch_elf.c:314: livepatch: xen_hello_world: Undefined symbol resolved: printk => 0x2473fc
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_xen_hello_world => 0xa03000 (.livepatch.funcs)
(XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_unload_data_hi_func => 0xa03080 (.livepatch.hooks.unload)
(XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.preapply is missing
(XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.apply is missing
(XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.postapply is missing
(XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.prerevert is missing
(XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.revert is missing
(XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.postrevert is missing
(XEN) alternatives: Patching with alt table 0000000000a04052 -> 0000000000a0405e
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol apply_hook
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol revert_hook
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol hi_func
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol check_fnc
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol __func__.4898
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol __func__.4902
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol hello_world_patch_this_fnc
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol cnt
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_load_data_hi_func
(XEN) livepatch.c:988: livepatch: xen_hello_world: overriding symbol xen_hello_world
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_unload_data_check_fnc
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_load_data_apply_hook
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_unload_data_revert_hook
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_xen_hello_world
(XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_unload_data_hi_func
oot@hikey960:/# xen-livepatch list
ID | status | metadata
----------------------------------------+------------+---------------
xen_hello_world | CHECKED | LIVEPATCH_RULEZ
root@hikey960:/# xl debug-keys x
(XEN) 'x' pressed - Dumping all livepatch patches
(XEN) build-id: 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc
(XEN) name=xen_hello_world state=CHECKED(1) 0000000000a02000 (.data=0000000000a03000, .rodata=0000000000a04000) using 3 pages.
(XEN) livepatch: module metadata:
(XEN) livepatch: LIVEPATCH_RULEZ
(XEN) xen_extra_version patch 0000000000242158(12) with 0000000000a02000 (16)
(XEN) build-id=50159adec7aaec9dae8a6ce3ac6c2d5f9e825bff
(XEN) depend-on=8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc
(XEN) depend-on-xen=8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc
root@hikey960:/# xen-livepatch unload xen_hello_world
Unloading xen_hello_world... failed
Error 22: Invalid argument
root@hikey960:/# xen-livepatch list
ID | status | metadata
----------------------------------------+------------+---------------
xen_hello_world | CHECKED | LIVEPATCH_RULEZ
Thoughts?
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next prev parent reply other threads:[~2019-11-20 2:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 13:06 [Xen-devel] [PATCH v5 00/12] livepatch: new features and fixes Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 01/12] livepatch: Always check hypervisor build ID upon livepatch upload Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 02/12] livepatch: Allow to override inter-modules buildid dependency Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 03/12] livepatch: Export payload structure via livepatch_payload.h Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 04/12] livepatch: Implement pre-|post- apply|revert hooks Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 05/12] livepatch: Add support for apply|revert action replacement hooks Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 06/12] livepatch: Do not enforce ELF_LIVEPATCH_FUNC section presence Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 07/12] livepatch: Add per-function applied/reverted state tracking marker Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 08/12] livepatch: Add support for inline asm livepatching expectations Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 09/12] livepatch: Add support for modules .modinfo section metadata Pawel Wieczorkiewicz
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 10/12] livepatch: Handle arbitrary size names with the list operation Pawel Wieczorkiewicz
2019-11-19 16:45 ` Ross Lagerwall
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 11/12] livepatch: Add metadata runtime retrieval mechanism Pawel Wieczorkiewicz
2019-11-19 17:11 ` Ross Lagerwall
2019-11-14 13:06 ` [Xen-devel] [PATCH v5 12/12] livepatch: Add python bindings for livepatch operations Pawel Wieczorkiewicz
2019-11-19 17:23 ` Ross Lagerwall
2019-11-20 2:25 ` Konrad Rzeszutek Wilk [this message]
2019-11-20 10:05 ` [Xen-devel] [PATCH v5 00/12] livepatch: new features and fixes Wieczorkiewicz, Pawel
2019-11-21 1:09 ` Konrad Rzeszutek Wilk
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